KR101003460B1 - Advanced treatment apparatus for removing nutrients of sewage using sequencing batch reactor - Google Patents

Advanced treatment apparatus for removing nutrients of sewage using sequencing batch reactor Download PDF

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KR101003460B1
KR101003460B1 KR1020100066235A KR20100066235A KR101003460B1 KR 101003460 B1 KR101003460 B1 KR 101003460B1 KR 1020100066235 A KR1020100066235 A KR 1020100066235A KR 20100066235 A KR20100066235 A KR 20100066235A KR 101003460 B1 KR101003460 B1 KR 101003460B1
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tank
discharge
filtration
sewage
pipe
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KR1020100066235A
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Korean (ko)
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서미애
장용우
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주식회사 이지
장용우
서미애
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    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00Biological treatment of water, waste water, or sewage
    • C02F3/02Aerobic processes
    • C02F3/12Activated sludge processes
    • C02F3/1236Particular type of activated sludge installations
    • C02F3/1263Sequencing batch reactors [SBR]
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/001Processes for the treatment of water whereby the filtration technique is of importance
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/30Treatment of water, waste water, or sewage by irradiation
    • C02F1/32Treatment of water, waste water, or sewage by irradiation with ultra-violet light
    • C02F1/325Irradiation devices or lamp constructions
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00Biological treatment of water, waste water, or sewage
    • C02F3/02Aerobic processes
    • C02F3/12Activated sludge processes
    • C02F3/1205Particular type of activated sludge processes
    • C02F3/1215Combinations of activated sludge treatment with precipitation, flocculation, coagulation and separation of phosphates
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F9/00Multistage treatment of water, waste water, or sewage
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2201/00Apparatus for treatment of water, waste water or sewage
    • C02F2201/002Construction details of the apparatus
    • C02F2201/005Valves
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W10/00Technologies for wastewater treatment
    • Y02W10/10Biological treatment of water, waste water, or sewage

Abstract

PURPOSE: A sequencing batch reactor advanced treatment device for removing nutrients from sewage is provided to reduce the installation area for a sewage disposal plant by reducing the number of tanks for each process. CONSTITUTION: A sequencing batch reactor advanced treatment device for removing nutrients from sewage comprises a pivoted sediment elimination bath(11), a sediment screen tank(12), a flow control bath(20), a microorganism selection tub, a raw water metric tub(21), a major reaction tub(40), a line mixer(51), a filter tub(60), a UV disinfector(71), a discharge tub(73), a sludge fermentor(87), and a sludge concentration sink(88).

Description

하·오수의 영양염류 제거를 위한 에스비알 고도처리장치{ADVANCED TREATMENT APPARATUS FOR REMOVING NUTRIENTS OF SEWAGE USING SEQUENCING BATCH REACTOR}ADVANCED TREATMENT APPARATUS FOR REMOVING NUTRIENTS OF SEWAGE USING SEQUENCING BATCH REACTOR}

본 발명은 하·오수내 유기오염물은 물론 영양염류의 제거가 가능한 에스비알(SBR, Sequencing Batch Reactor, 連續回分式反應槽)을 이용한 하·오수의 고도처리장치에 관한 것으로, 선회식침사제거조(11), 침사스크린조(12), 유량조정조(20), 미생물선택조(30), 주반응조(40), 슬러지발효조(87), 슬러지농축조(88), 응집조(54), 여과조(60), 자외선살균기(71) 및 방류조(73) 등으로 구성되고, 이들 처리조를 연결함에 있어서 내부 월류벽(82)에 의하여 처리조간 유량을 일정하게 유지할 수 있는 계량조가 설치되며, 주반응조(40)에서 생성된 슬러지가 슬러지발효조(87)에서 발효되어 형성된 발효액이 주반응조(40) 전단계인 미생물선택조(30)에 탈질용 외부 탄소원으로서 공급되고, 여과조(60)와 방류조(73)가 압송관(96)으로 연결되고 역세수배출관(97)이 설치되어 최종 방류수가 가압 반송됨으로써 여과조(60)의 역세가 가능하도록 한 것이다.
The present invention relates to an advanced treatment apparatus for sewage and sewage using SBR (Sequencing Batch Reactor) capable of removing nutrients as well as organic contaminants in sewage and sewage. (11), sedimentation screen tank (12), flow adjustment tank (20), microorganism selection tank (30), main reaction tank (40), sludge fermentation tank (87), sludge concentration tank (88), flocculation tank (54), filtration tank ( 60), an ultraviolet sterilizer 71, a discharge tank 73, and the like, and in order to connect these treatment tanks, a metering tank is provided to maintain a constant flow rate between the treatment tanks by the inner wall 82. The sludge produced in (40) is fermented in the sludge fermentation tank (87) and the fermentation broth formed is supplied to the microbial selection tank (30), which is the preliminary stage of the main reaction tank (40), as an external carbon source for denitrification, and the filtration tank (60) and the discharge tank (73). ) Is connected to the pressure feeding pipe (96) and the backwash water discharge pipe (97) is installed to pressurize the final discharged water. The backwashing of the filtration tank 60 is made possible by conveyance.

에스비알(SBR, Sequencing Batch Reactor) 즉, 연속회분식반응조(連續回分式反應槽)는 하·오수내 유기물은 물론 영양염류의 제거가 가능한 고도처리 반응조로서, 처리단계별로 별도의 처리조가 구성되는 재래식 활성오니법과 달리 하나의 반응조를 시간적으로 분할하여 유입, 포기, 교반, 침전 및 배출 등의 처리를 단계적으로 수행하는 것이다.
SBR (Sequencing Batch Reactor), or continuous batch reactor, is a highly treated reactor that can remove nutrients as well as organic matter in sewage and sewage. Unlike the activated sludge method, one reactor is divided in time to perform inflow, aeration, agitation, precipitation and discharge in stages.

연속회분식반응조는 하나의 반응조가 혐기조, 폭기조, 무산소조 및 침전조의 역할을 모두 수행할 수 있도록 한 것으로, 각 반응단계별로 별도의 수조를 운용하지 않아도 되므로 하수처리장의 소요부지면적을 줄일 수 있을 뿐 아니라, 하수의 오염유형에 따라 가변적 운영이 가능한 등의 장점이 있다.The continuous batch reactor allows one reactor to perform all the roles of anaerobic tank, aeration tank, anoxic tank, and precipitation tank. It can be operated in various ways depending on the type of pollution of sewage.

그러나, 기본 구조 및 처리기법상 연속유입 및 연속처리는 불가능하고, 따라서 원수(原水)의 유입부하가 급변할 경우 이에 대한 탄력적 대응이 어려운 문제점이 있으며, 원수내 오염물질 중 질소의 함량이 상대적으로 높은 우리나라 하수의 특성상 충분한 탈질처리가 여러운 문제점이 있었다.
However, due to the basic structure and treatment techniques, continuous inflow and continuous processing are impossible, and thus, when the inflow load of raw water changes rapidly, it is difficult to respond flexibly, and the nitrogen content of the contaminants in the raw water is relatively high. Due to the characteristics of the sewage in our country, sufficient denitrification had many problems.

본 발명은 전술한 문제점을 감안하여 창안한 것으로, 하·오수의 유기오염물 및 영양염류를 제거하는 에스비알(SBR, Sequencing Batch Reactor) 고도처리장치에 있어서, 원형 수조내 하향 선회류에 의하여 협잡물 및 토사를 비롯한 원수(原水)내 고형물을 침강 및 제거하는 선회식침사제거조(11)와, 원수내 부유 및 표류 고형물을 침전, 포착 및 제거하는 침사스크린조(12)와, 침사스크린조(12)를 거친 원수를 일시 저류하여 탈인효율을 상승시키고 유입부하 급변충격을 흡수하는 유량조정조(20)와, 무산소 분위기에서 인(P) 방출과 탈질작용을 수행하는 미생물선택조(30)와, 내부가 월류벽(82)에 의하여 분할되고 월류벽(82)의 배후부는 공급관(93)과 관로상 펌프가 설치된 송출관(91)을 통하여 각각 미생물선택조(30) 및 유량조정조(20)와 연결되며 월류벽(82)의 전면부는 회수관(92)을 통하여 유량조정조(20)와 연결되는 원수계량조(21)와, 미생물선택조(30)와 연결되고 내부에 에어레이터(41) 및 상징수취수장치(42)가 설치되어, 유입, 포기, 무산소, 침전, 배출 및 휴지 단계로 운용되는 주반응조(40)와, 응집제탱크(52) 및 응집보조제탱크(53)가 연결되어 주반응조(40)에서 배출되는 상징수(上澄水)에 응집제 및 응집보조제를 혼합하는 라인믹서(line mixer)(51)와, 완속교반기(55)가 내장되어 라인믹서(51)로부터 유입된 처리수에 플록(floc)을 형성하는 응집조(54)와, 여재(濾材)(61)가 내장되어 플록이 형성된 처리수를 여과하는 여과조(60)와, 여과된 처리수를 살균하는 자외선살균기(71)와, 유입부에 파샬플륨(Parshall flume)(72)이 설치되어 유량을 측정하고 최종 처리수를 배출하는 방류조(73)와, 주반응조(40)에서 배출되는 슬러지를 저류하고 발효액을 생성하여 미생물선택조(30)에 탄소원으로서 공급하는 슬러지발효조(87)와, 슬러지발효조(87)에서 배출되는 슬러지를 저류하고 농축하는 슬러지농축조(88)가 구성됨을 특징으로 하는 하·오수의 영양염류 제거를 위한 에스비알(SBR) 고도처리장치이다.The present invention was made in view of the above-mentioned problems, and in the SBR (Sequencing Batch Reactor) advanced treatment apparatus for removing organic contaminants and nutrients from sewage and sewage, Swivel sedimentation tank (11) for sedimenting and removing solids in raw water, including earth and sand, sedimentation screen tank (12) for sedimenting, capturing, and removing suspended and drifting solids in raw water; And a microorganism selection tank (30) for releasing phosphorus (P) and denitrification in an oxygen-free atmosphere, to increase the dephosphorization efficiency by temporarily storing raw water, and to absorb the sudden load shock. Is divided by the overflow wall 82, and the rear portion of the overflow wall 82 is connected to the microbial selection tank 30 and the flow rate adjustment tank 20 through the supply pipe 93 and the delivery pipe 91 in which the on-pipe pump is installed. The front part of the overflow wall 82 The raw water metering tank 21 connected to the flow rate adjusting tank 20 through the pipe 92 and the microbial selection tank 30 and an aerator 41 and a symbol receiving device 42 are installed therein, Symbolic water discharged from the main reactor (40) is connected to the main reactor (40), the coagulant tank (52) and the coagulant aid tank (53) operating in the inflow, aeration, anoxic, precipitation, discharge and rest stage (上 澄 水) A line mixer 51 for mixing the flocculant and the coagulant aid in the coagulation agent, and a coagulation tank 54 in which the slow stirrer 55 is incorporated to form flocs in the treated water introduced from the line mixer 51. ), A filter tank 60 for filtering the treated water having a built-in filter medium 61 therein, an ultraviolet sterilizer 71 for sterilizing the filtered treated water, and a parshall flume at the inlet. A discharge tank 73 is installed to measure the flow rate and discharge the final treated water, and the sludge discharged from the main reaction tank 40 is stored and fermented. Sludge fermentation tank (87) for generating and supplying the microorganism selection tank (30) as a carbon source, and a sludge concentration tank (88) for storing and concentrating sludge discharged from the sludge fermentation tank (87). SBR (SBR) advanced processing unit for nutrient removal.

또한, 상기 응집조(54)와 여과조(60)의 유입구는 여과조유입밸브(83)가 설치된 여과조유입관(94)으로 연결되고, 여과조(60)의 배출구와 방류조(73)는 여과조배출밸브(84)가 설치된 여과조배출관(95)으로 연결되며, 여과조(60)와 여과조배출밸브(84) 사이의 여과조배출관(95)에는 압송밸브(85) 및 방류조(73)와 연결된 펌프가 설치된 압송관(96)이 연결되고, 여과조(60)의 여재(61) 전단부와 유량조정조(20)는 역세밸브(86)가 설치된 역세수배출관(97)으로 연결되어, 압송밸브(85) 및 역세밸브(86)는 개방되고 여과조유입밸브(83) 및 여과조배출밸브(84)는 폐쇄된 상태에서 압송관(96)을 통하여 여과조(60)로 방류조(73)내 처리수가 압송됨으로써 여과조(60)내 여재(61)가 역세(逆洗)되고 역세수는 역세수배출관(97)을 통하여 유량조정조(20)로 유입됨을 특징으로 하는 하·오수의 영양염류 제거를 위한 에스비알(SBR) 고도처리장치이다.
In addition, the inlet port of the coagulation tank 54 and the filtration tank 60 is connected to the filtration tank inlet pipe 94 in which the filtration tank inlet valve 83 is installed, and the outlet and the discharge tank 73 of the filtration tank 60 are the filtration tank discharge valve. (84) is connected to the filtration tank discharge pipe (95), and the filtration tank discharge pipe (95) between the filtration tank 60 and the filtration tank discharge valve 84, the pressure feed valve 85 and the pump connected to the discharge tank (73) A pipe 96 is connected, and the front end of the filter medium 61 of the filtration tank 60 and the flow rate adjustment tank 20 are connected to a backwash water discharge pipe 97 in which a backwash valve 86 is installed. In the state where the valve 86 is opened and the filtration tank inlet valve 83 and the filtration tank discharge valve 84 are closed, the treated water in the discharge tank 73 is pumped to the filtration tank 60 through the pressure feed tube 96, thereby filtering the filtration tank 60. ) Nutrients of sewage and sewage, characterized in that the filter medium 61 is backwashed and the backwash water flows into the flow regulating tank 20 through the backwash water discharge pipe 97. SB is Al (SBR) high processing apparatus for removing current.

본 발명을 통하여, 처리조간 처리수의 유통에 있어서 유량을 자유롭게 조절함은 물론 일정하게 유지함으로써 처리공정상 안정성을 확보할 수 있으며, 주반응조(40)에서 생성되는 슬러지를 발효하여 외부탄소원으로서 활용함으로써 탈질효율을 제고하고, 주반응조(40) 전단계로서 유량조정조(20) 및 미생물선택조(30)를 구성하여 유입 원수의 일시 저류 및 탈질 전처리를 실시함으로써 종래의 연속회분식반응조에 비하여 유입 부하에 대한 탄력적인 대처가 가능하고 처리 연속성을 제고하는 효과를 얻을 수 있다.Through the present invention, it is possible to secure the stability in the treatment process by freely adjusting the flow rate in the distribution of treated water between treatment tanks, and to maintain a constant, fermented sludge produced in the main reaction tank 40 to utilize as an external carbon source By improving the denitrification efficiency, the flow control tank 20 and the microbial selection tank 30 are configured as the main reaction tank 40, and the temporary storage and denitrification pretreatment of the inflowed water are carried out to the inflow load compared to the conventional continuous batch reactor. It is possible to cope with elasticity and to improve the processing continuity.

또한, 여과조(60)와 방류조(73)를 연결하는 우회식 압송관(96)과 여과조(60)와 유량조정조(20)를 연결하는 역세수배출관(97) 등을 설치하여 최종 처리수를 여과조(60)의 역세에 활용함으로써 처리시설 운용상 소요되는 용수수요를 저감할 수 있으며, 최종 배출되는 처리수를 자외선살균기(71)를 통하여 살균함으로써 처리품질을 확보할 수 있다.
In addition, a bypass type pressure pipe (96) connecting the filtration tank (60) and the discharge tank (73), and a backwash water discharge pipe (97) connecting the filtration tank (60) and the flow rate adjustment tank (20) are installed. By utilizing the backwashing of the filtration tank 60 can reduce the water demand required in the operation of the treatment facility, it is possible to ensure the treatment quality by sterilizing the final discharged treated water through the ultraviolet sterilizer (71).

도 1은 본 발명의 구성도
도 2는 본 발명의 원수계량조 작동원리 모식도
도 3은 본 발명의 주반응조 구조도
도 4는 본 발명의 여과조 역세방식 설명도
도 5는 본 발명에 적용되는 파샬플륨 예시도
1 is a block diagram of the present invention
Figure 2 is a schematic diagram of the operating principle of the raw water metering tank of the present invention
Figure 3 is a structural diagram of the main reactor of the present invention
Figure 4 is an explanatory view of the filtration tank backwashing method of the present invention
5 is an exemplary view of parshall plume applied to the present invention

본 발명의 상세한 구성 및 처리 작용을 첨부된 도면을 통하여 설명하면 다음과 같다.Detailed configuration and processing of the present invention will be described with reference to the accompanying drawings.

우선 도 1은 본 발명을 구성하는 각각의 처리조 및 이들 처리조간 연결관로를 도시한 것으로, 동 도면을 통하여 알 수 있는 바와 같이 본 발명은 선회식침사제거조(11), 침사스크린조(12), 유량조정조(20), 미생물선택조(30), 주반응조(40), 라인믹서(51), 응집제탱크(52), 응집보조제탱크(53), 응집조(54), 여과조(60), 자외선살균기(71), 파샬플륨(72), 방류조(73), 슬러지발효조(87), 슬러지농축조(88), 슬러지탈수기(89) 및 이들 각 단위 처리장치를 연결하는 관로, 밸브, 및 펌프 등으로 구성된다.First, FIG. 1 shows each treatment tank constituting the present invention and a connecting pipe line between the treatment tanks. As can be seen from the drawings, the present invention provides a swinging needle removal tank 11 and a needle screen screen 12. ), Flow adjustment tank 20, microorganism selection tank 30, main reaction tank 40, line mixer 51, flocculant tank 52, flocculation aid tank 53, flocculation tank 54, filtration tank 60 , UV sterilizer (71), parshall plume (72), discharge tank (73), sludge fermentation tank (87), sludge concentration tank (88), sludge dehydrator (89) and pipes connecting each of these unit treatment devices, valves, and It consists of a pump.

또한, 관로상 밸브 및 펌프를 개폐 및 단속하고 각 단위 처리장치에 설치된 수위계(水位計), 수소이온농도계(pH meter) 및 유량계(flow meter) 등의 신호를 독출하여 처리단계를 제어하는 PLC(Programable Logic Controller) 등의 제어반이 연결된다.In addition, the PLC for opening and closing the valves and pumps in the pipeline and controlling the processing steps by reading signals such as a water level meter, a hydrogen ion pH meter and a flow meter installed in each unit processing device ( Control panel such as Programmable Logic Controller is connected.

각종 부유 및 표류 고형물, 유기오염물, 영양염류 등이 포함된 처리대상 하·오수 즉, 원수(原水)는 선회식침사제거조(11)로 유입되어 일차 고액분리된다.The sewage and sewage to be treated, which includes various suspended and drifted solids, organic contaminants, nutrients, etc., that is, raw water, flows into the rotary sedimentation removal tank 11 and is separated into the first solid solution.

선회식침사제거조(11)는 원형 수조에 접선방향으로 유입된 처리수에 발생되는 하향 선회류를 통하여 처리수내 고형물을 처리조 하부에 침강시키고, 고형물과 분리된 상층수는 외부로 배출하는 급속 침사시설로서, 원수내 협잡물 및 토사를 침강 분리하게 된다.Swivel settling removal tank 11 is a rapid flow of sedimenting the solids in the treated water in the lower portion of the treatment tank through the downward swirl flow generated in the treated water introduced in a tangential direction to the circular tank, and the supernatant separated from the solid is discharged to the outside As a sedimentation facility, sediment and sediment in raw water are sedimented.

선회식침사제거조(11)를 통과한 원수내 잔존 부유 및 표류 고형물은 침사스크린조(12)에 의하여 침전, 포착 및 제거되는데, 도시된 실시예에는 자동바스크린(自動 bar screen)(13)이 적용되어 원수내 고형물은 분리하여 배출하고, 고형물이 제거된 원수는 이후의 유량조정조(20)로 공급된다.Residual suspended and drifted solids in the raw water that have passed through the swing-type immersion removal tank 11 are sedimented, captured and removed by the immersion screen tank 12. In the illustrated embodiment, an automatic bar screen 13 is shown. This is applied to remove the solids in the raw water is discharged, the raw water from which the solids are removed is then supplied to the flow rate adjustment tank (20).

유량조정조(20)는 유입된 원수를 일시 저류하여 원수의 급격한 과량 유입 등 원수 유량의 급변시 이후 처리조로 공급되는 원수 유량을 조절함으로써 유입부하 급변충격을 흡수하여 전체 공정의 안정적 운용을 도모하고, 횡향식믹서(橫向式 mixer)(81)를 통한 혐기성 교반을 실시하여 원수를 균질화함과 동시에 인(P) 과잉섭취를 유도하여 탈인효율을 상승시키는 역할을 수행한다.The flow adjustment tank 20 temporarily stores the incoming raw water and adjusts the raw water flow rate supplied to the treatment tank after the sudden change of the raw water flow rate such as a sudden excessive inflow of raw water, so as to absorb the sudden load shock of the inflow load and promote stable operation of the entire process. Anaerobic stirring is carried out through a transverse mixer 81 to homogenize the raw water and at the same time induce excess phosphorus (P) to increase the dephosphorization efficiency.

유량조정조(20)를 통과한 처리수는 미생물선택조(30)로 공급되는데, 미생물선택조(30)에서도 횡향식믹서(81)에 의한 혐기성 또는 무산소 교반이 실시되며, 인(P) 방출과 동시에 후술한 슬러지발효조(87)로부터 슬러지 발효액을 질산화액 즉, 외부 탄소원으로서 공급받아 탈질작용을 일차적으로 수행하게 된다.The treated water passing through the flow adjustment tank 20 is supplied to the microbial selection tank 30, the anaerobic or anoxic agitation by the transverse mixer 81 is also performed, and the phosphorus (P) discharge and At the same time, the sludge fermentation broth from the sludge fermentation tank 87 described below is supplied as a nitrification liquid, that is, an external carbon source, to perform denitrification.

여기서 유량조정조(20)와 미생물선택조(30)는 도 1에서와 같이 월류식(越流式) 원수계량조(21)를 통하여 연결되어 소기의 공급유량을 일정하게 유지할 수 있는데, 그 상세한 구성 및 작용원리가 도 2에 발췌 도시되어 있다.Here, the flow rate adjustment tank 20 and the microorganism selection tank 30 can be connected through the overflow type raw water metering tank 21 as shown in FIG. 1 to maintain a constant supply flow rate. And the principle of action is shown in Figure 2 excerpt.

도 2에 도시된 바와 같이, 원수계량조(21)는 내부가 월류벽(82a)에 의하여 분할되고 월류벽(82a)의 배후부 즉, 월류벽(82a)의 상류측은 공급관(93a)과 관로상 펌프가 설치된 송출관(91a)을 통하여 각각 미생물선택조(30) 및 유량조정조(20)와 연결되며 월류벽(82a)의 전면부 즉 월류벽(82a)의 하류측은 회수관(92a)을 통하여 유량조정조(20)와 연결된다.As shown in FIG. 2, the raw water metering tank 21 is divided by the overflow wall 82a and the rear portion of the overflow wall 82a, that is, the upstream side of the overflow wall 82a is connected to the supply pipe 93a and the conduit. It is connected to the microorganism selection tank 30 and the flow rate adjustment tank 20 through the discharge pipe 91a provided with the upper pump, respectively, and the front part of the overflow wall 82a, ie, the downstream side of the overflow wall 82a, has a recovery pipe 92a. It is connected with the flow rate adjustment tank 20 through.

원수계량조(21)에 설치되는 월류벽(82a)은 배후부 수위를 일정하게 유지하기 위한 위어(weir)로서, V-notch형 위어를 적용하여 월류폭을 확장함으로써 원수계량조(21)를 소형화할 수도 있다.The overflow wall 82a installed in the raw water metering tank 21 is a weir for maintaining a constant level of the rear part, and the raw water metering tank 21 is extended by applying a V-notch type weir to extend the overflow width. It can also be downsized.

원수계량조(21)를 통하여 공급관(93a)이 연결된 월류벽(82a) 배후부의 수위가 일정하게 유지될 수 있으며, 이로써 공급관(93a)의 간단한 밸브조작만으로 미생물선택조(30)로 공급되는 처리수의 유량을 정확하게 조정 및 유지할 수 있다.Through the raw water metering tank 21, the water level behind the upstream wall 82a to which the supply pipe 93a is connected can be kept constant, whereby the treatment is supplied to the microbial selection tank 30 only by simple valve operation of the supply pipe 93a. Accurately adjust and maintain the flow rate of the water.

미생물선택조(30)를 거친 처리수는 에스비알(SBR) 반응조인 주반응조(40)로 유입되어 유입(fill), 포기(aerobic), 무산소(anoxic), 침전(settle), 배출(draw) 및 휴지(idle)의 단계별 처리과정을 거치면서 고도처리된다.The treated water passing through the microbial selection tank 30 is introduced into the main reaction tank 40, which is an SBR reaction tank, so as to fill, aerobic, anoxic, settle and draw. And it is advanced during the step-by-step processing of the idle (idle).

본 발명의 주반응조(40)는 도 3에서와 같이, 수위별 연속 선택취수장치인 상징수취수장치(42)와 포기장치인 에어레이터(aerator)(41) 등이 설치되고, 후단 즉, 하류단에 배출실(43)이 형성되어 상징수취수장치(42)를 통하여 배출되는 상징수(上澄水)를 일시 저류하게 된다.As shown in FIG. 3, the main reactor 40 of the present invention is provided with a symbol receiving device 42, which is a continuous selective intake device for each level, and an aerator 41, which is an aeration device, and is located at a rear end, ie, downstream. The discharge chamber 43 is formed at the end to temporarily store the symbol water discharged through the symbol receiving device 42.

또한, 도시된 바와 같이 침전된 슬러지를 수집하는 펌프 흡출식 슬러지수집장치와 초음파수위계 및 상징수배출장치 유출단에 연결된 전동밸브 등이 구성될 수 있으며, 이들 펌프, 밸브 및 계측기기는 전술한 바와 같이 PLC(Programable Logic Controller) 등의 제어반과 연결되어 자동운전될 수 있다.In addition, a pump suction type sludge collecting device for collecting sedimented sludge as shown, and an electric valve connected to an outlet of the ultrasonic water level gauge and the supernatant water discharge device may be configured, and these pumps, valves, and measuring devices may be configured as described above. It can be automatically operated in connection with a control panel such as a programmable logic controller (PLC).

주반응조(40)의 운전단계에 있어서, 우선 유입단계에서는 처리수가 유입되면서 주반응조(40)내에 잔존한 미생물과 접촉하고 유기물을 공급하는 단계로서 혐기성 반응을 통한 인(P)의 방출 및 유기물 제거가 수행된다.In the operation step of the main reactor (40), first in the inflow step, the treated water flows in contact with the microorganisms remaining in the main reactor (40) and supplies the organic matter, the release of phosphorus (P) through the anaerobic reaction and removal of organic matter Is performed.

포기단계 즉, 호기성 반응단계는 에어레이터(41)를 가동하여 처리수에 공기를 공급함으로써 인섭취 및 제거와 동시에 질산화를 통한 암모니아 제거를 수행하는 단계이며, 이후의 무산소단계는 포기를 중단한 상태에서 교반을 실시하여 탈질소화를 유도하게 된다.The aeration step, that is, the aerobic reaction step is to operate the aerator 41 to supply air to the treated water to perform intake and removal and to remove ammonia through nitrification, and the subsequent anoxic step stops giving up. Stirring at will lead to denitrification.

침전단계에서는 슬러지의 침전을 유도함과 동시에 상징수를 형성하고, 배출단계에서는 형성된 상징수를 상징수취수장치(42)에 의하여 주반응조(40) 후단의 배출실(43)로 배출하며, 휴지단계에서는 이후 재개되는 유입단계전에 침전된 슬러지를 안정화하게 된다.In the sedimentation step, the sludge is induced and at the same time, symbol water is formed, and in the discharging step, the symbol water is discharged to the discharge chamber 43 at the rear end of the main reaction tank 40 by the symbol receiving device 42, and the rest stage Esla will stabilize the sludge settled before the subsequent inflow stage.

이렇듯 주반응조(40)를 통과한 처리수는 생물학적 처리가 실질적으로 완료된 상태의 처리수로서, 이후의 응집 및 살균처리를 거쳐 정화처리된다.As such, the treated water passing through the main reaction tank 40 is treated water in a state where the biological treatment is substantially completed, and is purified after subsequent aggregation and sterilization treatment.

주반응조(40)의 배출실(43)로부터 배출된 처리수 즉, 상징수는 응집제탱크(52) 및 응집보조제탱크(53)가 연결된 라인믹서(line mixer)(51)로 투입되어, PAC(Polyaluminum Chloride) 등의 응집제 및 수산화나트륨(NaOH) 등의 응집보조제와 급속 혼합된다.The treated water discharged from the discharge chamber 43 of the main reaction tank 40, that is, the supernatant water, is introduced into a line mixer 51 to which the coagulant tank 52 and the coagulant auxiliary tank 53 are connected, and the PAC ( It is rapidly mixed with flocculants such as Polyaluminum Chloride) and flocculent aids such as sodium hydroxide (NaOH).

라인믹서(51)는 실린더 내부에 회전하는 이형봉(異形棒) 또는 스크류(screw) 등이 설치되어, 저류상태에서 처리되는 일반 교반기와 달리 관로를 통과하는 처리수에 응집제 및 응집보조제를 정체없이 연속 혼합하게 된다.The line mixer 51 is provided with a releasing rod or screw that rotates inside the cylinder, and unlike a stirrer that is processed in a storage state, a flocculant and a coagulant may be continuously added to the treated water passing through the pipeline without stagnation. Will be mixed.

라인믹서(51)를 통과한 처리수는 완속교반기(55)가 설치된 응집조(54)로 공급되어 완속교반되면서 응집제에 의한 플록(floc)형성을 유도하게 되며, 처리수에 형성된 플록은 여재(濾材)(61)가 내장된 여과조(60)를 통과하면서 여과된다.The treated water passing through the line mixer 51 is supplied to the flocculation tank 54 in which the slow stirrer 55 is installed, and is slowly stirred to induce floc formation by the flocculant. Iv) 61 is filtered while passing through the built-in filtration tank 60.

여과조(60)에는 입자상(粒子狀), 섬유상(纖維狀) 및 망상(網狀) 등 다양한 형태의 여재(61)가 내장될 수 있으며, 여재(61)의 공극 또는 망목(網目)에 오염물이 침착되어 폐색될 경우 역세(逆洗)를 실시한다.Filtration tank 60 may be embedded with various types of media (61), such as particulate, fibrous and reticulated, and contaminants in the pores or mesh of the media (61). Backwash is performed when deposited and occluded.

본 발명 여과조(60)의 역세는 도 1 및 도 4에서와 같이, 방류조(73)와 연결된 압송관(96), 유량조정조(20)와 연결된 역세수배출관(97) 및 부속 밸브 등을 통하여 여과조(60)의 분해 또는 외부 역세수의 공급 없이도 수행할 수 있다.Backwashing of the present invention filtration tank 60, as shown in Figs. 1 and 4, through the pressure feed pipe 96 connected to the discharge tank 73, the backwash water discharge pipe 97 connected to the flow rate adjustment tank 20 and the attached valves, etc. This can be done without disassembly of the filtration tank 60 or supply of external backwash water.

도 4의 좌측도면은 여과조(60)의 평시 작동상태를 나타내고 있으며, 우측도면은 여과조(60)의 역세상태를 나타내고 있다.The left figure of FIG. 4 shows the normal operation state of the filtration tank 60, and the right side figure shows the backwash state of the filtration tank 60. As shown in FIG.

즉, 도 4에서와 같이, 응집조(54)와 여과조(60)의 유입구는 여과조유입밸브(83)가 설치된 여과조유입관(94)으로 연결되고, 여과조(60)의 배출구와 방류조(73)는 여과조배출밸브(84)가 설치된 여과조배출관(95)으로 연결되며, 여과조(60)와 여과조배출밸브(84) 사이의 여과조배출관(95)에는 압송밸브(85) 및 방류조(73)와 연결된 펌프가 설치된 압송관(96)이 연결되고, 여과조(60)의 여재(61) 전단부 즉, 여재(61) 유입면측 공간과 유량조정조(20)는 역세밸브(86)가 설치된 역세수배출관(97)으로 연결되어, 압송밸브(85) 및 역세밸브(86)는 개방되고 여과조유입밸브(83) 및 여과조배출밸브(84)는 폐쇄된 상태에서 압송관(96)을 통하여 여과조(60)로 방류조(73)내 처리수가 압송됨으로써, 여과조(60)내 여재(61)에 침착된 오염물이 이탈되어 역세되고, 오염된 역세수는 역세수배출관(97)을 통하여 유량조정조(20)로 유입되어 재처리되는 것이다.That is, as shown in FIG. 4, the inlet port of the coagulation tank 54 and the filtration tank 60 is connected to the filtration tank inlet pipe 94 provided with the filtration tank inlet valve 83, and the outlet and the discharge tank 73 of the filtration tank 60. ) Is connected to the filtration tank discharge pipe (95) provided with a filtration tank discharge valve 84, the filtration tank discharge pipe (95) between the filtration tank 60 and the filtration tank discharge valve 84 and the pressure feed valve (85) and the discharge tank (73) and A pressure feed pipe (96) having a pump connected thereto is connected, and the front end of the filter medium (61) of the filtration tank (60), that is, the space of the inlet side of the filter medium (61) and the flow rate adjusting tank (20) have a backwash water discharge pipe (100) equipped with a backwash valve (86). (97), the pressure feed valve (85) and the backwash valve (86) is opened and the filtration tank inlet valve (83) and the filtration tank discharge valve (84) in the closed state through the filtration tank (96) As the treated water in the furnace discharge tank 73 is pumped, contaminants deposited on the filter medium 61 in the filtration tank 60 are removed and backwashed, and the contaminated backwash water is connected to the backwash water discharge pipe 97. Through the flow adjustment tank 20 is to be reprocessed.

한편, 도시되지는 않았지만 여과조유입관(94)과 여과조배출관(95) 사이에는 우회관로를 설치하여, 처리수를 우회 배출함으로써 전체 공정의 중지 없이도 역세를 실시할 수 있다.On the other hand, although not shown, a bypass pipe is provided between the filtration tank inlet pipe 94 and the filtration tank discharge pipe 95, and the backwash can be discharged without bypassing the entire process by bypassing the treated water.

여과조(60)를 통과하며 여과된 처리수는 도 1에서와 같이, 자외선살균기(71)를 통과하면서 살균처리되어 처리수의 최종 저류조인 방류조(73)로 유입된다.The treated water filtered while passing through the filtration tank 60 is sterilized while passing through the ultraviolet sterilizer 71 and introduced into the discharge tank 73 which is the final storage tank of the treated water.

방류조(73)의 유입부에는 도 5에서와 같은 파샬플륨(Parshall flume)(72)이 설치되어 유입되는 처리수의 유량을 측정하게되며, 파샬플륨(72)은 구조가 간단하고 측정이 용이할 뿐 아니라 유지관리 또한 간편한 이점이 있다.A Parshall flume 72 is installed at the inlet of the discharge tank 73 to measure the flow rate of the treated water flowing therein, and the Parshall plume 72 has a simple structure and is easy to measure. Not only that, but also the maintenance is easy.

파샬플륨(72)을 통한 유량측정은 플륨내 특정 지점에서의 수위측정 및 환산을 통하여 수행되는데, 수위측정을 위한 수위계를 전술한 PLC를 통하여 MCU(Micro Controller Unit) 또는 컴퓨터와 연결함으로써 유량의 자동산출이 가능하다.The flow rate measurement through the parshall plume 72 is carried out through level measurement and conversion at a specific point in the plume, and the flow rate measurement is automatically performed by connecting the level meter for level measurement with a microcontroller unit (MCU) or a computer through the aforementioned PLC. The calculation is possible.

한편, 도 1에서와 같이, 주반응조(40)에서 수집된 슬러지는 슬러지발효조(87), 슬러지농축조(88) 및 슬러지탈수기(89)를 거치면서 처리되어 최종적으로 탈수처리되어 폐기 또는 재활용되는데, 이 과정에서 발생되는 슬러지 발효액은 미생물선택조(30)로 질산화액 즉, 외부 탄소원으로서 공급되어 탈질효율을 향상시키게 된다.On the other hand, as shown in Figure 1, the sludge collected in the main reaction tank 40 is processed through the sludge fermentation tank 87, the sludge concentration tank 88 and the sludge dehydrator 89 is finally dewatered and disposed of or recycled, The sludge fermentation broth generated in this process is supplied to the microbial selection tank 30 as a nitrification solution, that is, an external carbon source, to improve the denitrification efficiency.

슬러지발효조(87)는 주반응조(40)에서 수집, 배출된 슬러지를 저류하여 혐기성 발효처리함으로써 발효액을 형성하며, 형성된 발효액은 질산화액계량조(31)를 통하여 미생물선택조(30)로 공급된다.The sludge fermentation tank 87 stores the sludge collected and discharged in the main reaction tank 40 to form a fermentation broth by anaerobic fermentation treatment, and the formed fermentation broth is supplied to the microbial selection tank 30 through the nitrification tank 31. .

질산화액계량조(31)는 전술한 원수계량조(21)와 같은 방식으로 작동하는 정량(定量) 공급수단으로서, 도시된 바와 같이, 내부가 월류벽(82b)에 의하여 분할되고 월류벽(82b)의 배후부는 공급관(93b)과 관로상 펌프가 설치된 송출관(91b)을 통하여 각각 미생물선택조(30) 및 슬러지발효조(87)와 연결되며 월류벽(82b)의 전면부는 회수관(92b)을 통하여 슬러지발효조(87)와 연결된다.The nitric oxide metering tank 31 is a fixed-quantity supply means that operates in the same manner as the raw water metering tank 21 described above, and as shown, the inside is divided by the overflow wall 82b and the overflow wall 82b. ) Is connected to the microorganism selection tank 30 and the sludge fermentation tank 87 through a supply pipe 93b and a discharge pipe 91b provided with a pipeline pump, respectively, and the front portion of the overflow wall 82b is a recovery pipe 92b. It is connected with the sludge fermentation tank 87 through.

이러한 질산화액계량조(31)를 통하여 공급관(93b)상 밸브의 간단한 조작만으로 미생물선택조(30)로 공급되는 질산화액의 유량을 정확하게 조정 및 유지할 수 있다.Through such a nitric oxide metering tank 31, the flow rate of the nitric oxide supplied to the microorganism selection tank 30 can be accurately adjusted and maintained by simple operation of the valve on the supply pipe 93b.

슬러지발효조(87)에 침전된 잉여 슬러지는 슬러지농축조(88)로 공급되어 농축되고, 농축과정에서 함수율이 저감된 슬러지는 슬러지탈수기(89)를 통하여 탈수처리되어 배출되며, 도시되지는 않았지만 슬러지탈수기(89)의 탈수과정에서 발생되는 슬러지내 함유수는 유량조정조(20)로 배출하여 재처리하게 된다.
Excess sludge precipitated in the sludge fermentation tank (87) is supplied to the sludge thickening tank (88) and concentrated, and the sludge with reduced water content during the concentration process is dewatered and discharged through the sludge dehydrator (89), although not shown, sludge dehydrator Water contained in the sludge generated in the dehydration process of (89) is discharged to the flow control tank 20 to be reprocessed.

11 : 선회식침사제거조
12 : 침사스크린조
13 : 자동바스크린(自動 bar screen)
20 : 유량조정조
21 : 원수계량조
30 : 미생물선택조
31 : 질산화액계량조
40 : 주반응조
41 : 에어레이터(aerator)
42 : 상징수취수장치
43 : 배출실
51 : 라인믹서(line mixer)
52 : 응집제탱크
53 : 응집보조제탱크
54 : 응집조
55 : 완속교반기
60 : 여과조
61 : 여재(濾材)
71 : 자외선살균기
72 : 파샬플륨(Parshall flume)
73 : 방류조
81 : 횡향식믹서
82 : 월류벽
83 : 여과조유입밸브
84 : 여과조배출밸브
85 : 압송밸브
86 : 역세밸브
87 : 슬러지발효조
88 : 슬러지농축조
89 : 슬러지탈수기
91 : 송출관
92 : 회수관
93 : 공급관
94 : 여과조유입관
95 : 여과조배출관
96 : 압송관
97 : 역세수배출관
11: Swing type sedimentation tank
12: sedimentation screen tank
13: automatic bar screen
20: flow adjustment tank
21: Raw water metering tank
30: microorganism selection tank
31: nitric oxide metering tank
40: main reactor
41: aerator
42: symbol receiving device
43: discharge chamber
51: line mixer
52: flocculant tank
53: flocculation aid tank
54: coagulation tank
55: slow stirrer
60: filtration tank
61: filter media
71: UV sterilizer
72: Parshall flume
73: discharge tank
81: lateral mixer
82: overflow wall
83: filtration tank inlet valve
84: filtration tank discharge valve
85: pressure feed valve
86: backwash valve
87: sludge fermentation tank
88: sludge concentration tank
89: sludge dehydrator
91: delivery pipe
92: recovery pipe
93: supply pipe
94: filtration tank inlet pipe
95: filtration tank discharge pipe
96: pressure pipe
97: backwash water discharge pipe

Claims (2)

하·오수의 유기오염물 및 영양염류를 제거하는 에스비알(SBR, Sequencing Batch Reactor) 고도처리장치에 있어서,
원형 수조내 하향 선회류에 의하여 협잡물 및 토사를 비롯한 원수(原水)내 고형물을 침강 및 제거하는 선회식침사제거조(11)와;
원수내 부유 및 표류 고형물을 침전, 포착 및 제거하는 침사스크린조(12)와;
침사스크린조(12)를 거친 원수를 일시 저류하여 탈인효율을 상승시키고 유입부하 급변충격을 흡수하는 유량조정조(20)와;
무산소 분위기에서 인(P) 방출과 탈질작용을 수행하는 미생물선택조(30)와;
내부가 월류벽(82)에 의하여 분할되고 월류벽(82)의 배후부는 공급관(93)과 관로상 펌프가 설치된 송출관(91)을 통하여 각각 미생물선택조(30) 및 유량조정조(20)와 연결되며 월류벽(82)의 전면부는 회수관(92)을 통하여 유량조정조(20)와 연결되는 원수계량조(21)와;
미생물선택조(30)와 연결되고 내부에 에어레이터(41) 및 상징수취수장치(42)가 설치되어, 유입, 포기, 무산소, 침전, 배출 및 휴지 단계로 운용되는 주반응조(40)와;
응집제탱크(52) 및 응집보조제탱크(53)가 연결되어 주반응조(40)에서 배출되는 상징수(上澄水)에 응집제 및 응집보조제를 혼합하는 라인믹서(line mixer)(51)와;
완속교반기(55)가 내장되어 라인믹서(51)로부터 유입된 처리수에 플록(floc)을 형성하는 응집조(54)와;
여재(濾材)(61)가 내장되어 플록이 형성된 처리수를 여과하는 여과조(60)와;
여과된 처리수를 살균하는 자외선살균기(71)와;
유입부에 파샬플륨(Parshall flume)(72)이 설치되어 유량을 측정하고 최종 처리수를 배출하는 방류조(73)와;
주반응조(40)에서 배출되는 슬러지를 저류하고 발효액을 생성하여 미생물선택조(30)에 탄소원으로서 공급하는 슬러지발효조(87)와;
슬러지발효조(87)에서 배출되는 슬러지를 저류하고 농축하는 슬러지농축조(88)가 구성됨을 특징으로 하는 하·오수의 영양염류 제거를 위한 에스비알 고도처리장치.
In the SBR (Sequencing Batch Reactor) advanced treatment device for removing organic contaminants and nutrients from sewage and sewage,
A swing-type sedimentation removal tank 11 for sedimenting and removing solids in raw water, including contaminants and earth and sand, by a downward swirling flow in a circular tank;
A sedimentation screen tank 12 for sedimenting, capturing, and removing raw and suspended solids in raw water;
A flow rate adjustment tank 20 for temporarily storing raw water that has passed through the immersion screen tank 12 to increase dephosphorization efficiency and absorb inflow load sudden impact;
A microbial selection tank 30 for performing phosphorus (P) release and denitrification in an oxygen-free atmosphere;
The inside is divided by the overflow wall 82 and the rear portion of the overflow wall 82 is provided with a microbial selection tank 30 and a flow rate adjusting tank 20 through a supply pipe 93 and a delivery pipe 91 in which a pump on a pipeline is installed. A raw water metering tank 21 connected to the overflow wall 82 and connected to the flow rate adjusting tank 20 through a recovery pipe 92;
A main reactor (40) connected to the microbial selection tank (30) and installed inside the aerator (41) and the symbol receiving device (42), operating in inflow, aeration, oxygen-free, precipitation, discharge and rest phases;
A line mixer 51 connected with the coagulant tank 52 and the coagulant aid tank 53 to mix the coagulant and the coagulant aid with the supernatant discharged from the main reaction tank 40;
A coagulation tank 54 in which a slow stirrer 55 is embedded to form flocs in the treated water introduced from the line mixer 51;
A filtration tank 60 in which a filter medium 61 is embedded to filter the treated water in which flocs are formed;
An ultraviolet sterilizer 71 for sterilizing the filtered treated water;
Parshall flume (72) is installed in the inlet portion discharge tank 73 for measuring the flow rate and discharge the final treated water;
A sludge fermentation tank 87 for storing sludge discharged from the main reaction tank 40 and generating a fermentation broth as a carbon source to the microorganism selection tank 30;
SBI advanced treatment apparatus for removing nutrients of sewage and sewage, characterized in that the sludge concentration tank 88 for storing and condensing the sludge discharged from the sludge fermentation tank (87).
청구항 1에 있어서, 응집조(54)와 여과조(60)의 유입구는 여과조유입밸브(83)가 설치된 여과조유입관(94)으로 연결되고;
여과조(60)의 배출구와 방류조(73)는 여과조배출밸브(84)가 설치된 여과조배출관(95)으로 연결되며;
여과조(60)와 여과조배출밸브(84) 사이의 여과조배출관(95)에는 압송밸브(85) 및 방류조(73)와 연결된 펌프가 설치된 압송관(96)이 연결되고;
여과조(60)의 여재(61) 전단부와 유량조정조(20)는 역세밸브(86)가 설치된 역세수배출관(97)으로 연결되어, 압송밸브(85) 및 역세밸브(86)는 개방되고 여과조유입밸브(83) 및 여과조배출밸브(84)는 폐쇄된 상태에서 압송관(96)을 통하여 여과조(60)로 방류조(73)내 처리수가 압송됨으로써 여과조(60)내 여재(61)가 역세(逆洗)되고 역세수는 역세수배출관(97)을 통하여 유량조정조(20)로 유입됨을 특징으로 하는 하·오수의 영양염류 제거를 위한 에스비알 고도처리장치.
The inlet of the coagulation tank 54 and the filtration tank 60 is connected to the filtration tank inflow pipe 94 provided with the filtration tank inflow valve 83;
The outlet of the filtration tank 60 and the discharge tank 73 are connected to the filtration tank discharge pipe 95 in which the filtration tank discharge valve 84 is installed;
A filtration tank discharge pipe (95) between the filtration tank (60) and the filtration tank discharge valve (84) is connected to a pressure feeding pipe (96) provided with a pump connected to the pressure feeding valve (85) and the discharge tank (73);
The front end of the filter medium (61) of the filtration tank (60) and the flow adjustment tank (20) are connected to a backwash water discharge pipe (97) provided with a backwash valve (86), so that the pressure feed valve (85) and the backwash valve (86) are opened and the filtration tank is opened. The inflow valve 83 and the filtration tank discharge valve 84 are closed, and the filtered water in the effluent tank 73 is pumped to the filtration tank 60 through the pressure pipe 96 so that the filter medium 61 in the filtration tank 60 is backwashed. (Iii) and the backwash water is an SBI advanced treatment apparatus for removing nutrients of sewage and sewage, characterized in that the flow rate adjustment tank 20 is introduced through the backwash water discharge pipe (97).
KR1020100066235A 2010-07-09 2010-07-09 Advanced treatment apparatus for removing nutrients of sewage using sequencing batch reactor KR101003460B1 (en)

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Publication number Priority date Publication date Assignee Title
KR20160054907A (en) * 2014-11-07 2016-05-17 (주)이앤이솔루션 Device and method for ordor-free and high-level treatment using micro sand bio mass
CN109354332A (en) * 2018-12-11 2019-02-19 佛山科学技术学院 A kind of household sewage multistep treatment circulation recycling device using biological compound fungi agent

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20160054907A (en) * 2014-11-07 2016-05-17 (주)이앤이솔루션 Device and method for ordor-free and high-level treatment using micro sand bio mass
KR101664910B1 (en) * 2014-11-07 2016-10-12 (주)이앤이솔루션 Device and method for ordor-free and high-level treatment using micro sand bio mass
CN109354332A (en) * 2018-12-11 2019-02-19 佛山科学技术学院 A kind of household sewage multistep treatment circulation recycling device using biological compound fungi agent
CN109354332B (en) * 2018-12-11 2021-08-03 佛山科学技术学院 Domestic sewage multi-stage treatment recycling device adopting biological compound microbial inoculum

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